.pdf-container{
    position: relative;

    width: 500px;
    height: 500px;
    border: 1px #000 solid;
    margin: 10px;

    .select-area {
        box-sizing: border-box;
        border: 1px solid green;
        position: absolute;
        background:#fff;

        .top-resize {
            position: absolute;
            /*cursor: n-resize;*/
            height: 7px;
            width: 100%;
            top: -5px;
            left: 0;
        }
        .bottom-resize {
            position: absolute;
            /*cursor: s-resize;*/
            height: 7px;
            width: 100%;
            bottom: -5px;
            left: 0;
        }
        .left-resize {
            position: absolute;
            /*cursor: w-resize;*/
            width: 7px;
            height: 100%;
            left: -5px;
            top: 0;
        }
        .right-resize {
            position: absolute;
            /*cursor: e-resize;*/
            width: 7px;
            height: 100%;
            right: -5px;
            top: 0;
        }
        .left-top-resize {
            z-index: 90;
            position: absolute;
            /*cursor: nw-resize;*/
            width: 20px;
            height: 20px;
            left: 1px;
            top: 1px;
        }
        .left-bottom-resize {
            z-index: 90;
            position: absolute;
            /*cursor: sw-resize;*/
            width: 20px;
            height: 20px;
            left: 1px;
            bottom: -1px;
        }
        .right-top-resize {
            z-index: 90;
            position: absolute;
            /*cursor: ne-resize;*/
            width: 20px;
            height: 20px;
            right: -1px;
            top: 1px;
        }
        .right-bottom-resize {
            z-index: 90;
            position: absolute;
            /*cursor: se-resize;*/
            width: 20px;
            height: 20px;
            bottom: -1px;
            right: -1px;
        }
    }
}